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EARNINGS PER COMMON SHARE (Tables) | 12 Months Ended
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Dec. 31, 2011
Earnings Per Share [Abstract] |
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] | The following table sets forth the computation of basic and diluted earnings per share from continuing operations for the periods indicated:
|  | Years ended December 31,
(dollars in thousands, except per share amounts) |  | 2011 |  | 2010 |  | 2009
Numerator: |  |  |  |  |  |  |  |  |
Income from continuing operations attributable to Common Shareholders |  | $ | 20,062 |  |  | $ | 28,260 |  |  | $ | 26,574 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |
Preferred OP Unit distributions |  | 18 |  |  | 18 |  |  | 19 |
Numerator for diluted earnings per Common Share |  | 20,080 |  |  | 28,278 |  |  | 26,593 |
Denominator: |  |  |  |  |  |  |  |  |
Weighted average shares for basic earnings per share |  | 40,697 |  |  | 40,136 |  |  | 38,005 |
Effect of dilutive securities: |  |  |  |  |  |  |  |  |
Employee share options |  | 264 |  |  | 245 |  |  | 212 |
Convertible Preferred OP Units |  | 25 |  |  | 25 |  |  | 25 |
Dilutive potential Common Shares |  | 289 |  |  | 270 |  |  | 237 |
Denominator for diluted earnings per share |  | 40,986 |  |  | 40,406 |  |  | 38,242 |
Basic earnings per Common Share from continuing operations attributable to Common Shareholders |  | $ | 0.50 |  |  | $ | 0.70 |  |  | $ | 0.70 |
Diluted earnings per Common Share from continuing operations attributable to Common Shareholders |  | $ | 0.49 |  |  | $ | 0.70 |  |  | $ | 0.70 |

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- Definition Tabular disclosure of an entity's basic and diluted earnings per share calculations. + References No definition available. + Details
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